Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-09-16
Phys.Rev.D62:086003,2000
Physics
High Energy Physics
High Energy Physics - Theory
Latex, 38 pages, minor corrections
Scientific paper
10.1103/PhysRevD.62.086003
A class of conformally flat and asymptotically anti-de Sitter geometries involving profiles of scalar fields is studied from the point of view of gauged supergravity. The scalars involved in the solutions parameterise the SL(N,R)/SO(N) submanifold of the full scalar coset of the gauged supergravity, and are described by a symmetric potential with a universal form. These geometries descend via consistent truncation from distributions of D3-branes, M2-branes, or M5-branes in ten or eleven dimensions. We exhibit analogous solutions asymptotic to AdS_6 which descend from the D4-D8-brane system. We obtain the related six-dimensional theory by consistent reduction from massive type IIA supergravity. All our geometries correspond to states in the Coulomb branch of the dual conformal field theories. We analyze linear fluctuations of minimally coupled scalars and find both discrete and continuous spectra, but always bounded below.
Cvetic Mirjam
Gubser Steven S.
Lu Hai
Pope Christopher N.
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